(4).Close the battery cover, tighten the latches.
(2).Loosen the latches of the battery cover then remove
it, note the battery compartment lies on the chassis.
(1).Insert the USB charging cable into the USB interface, note the
indicator light turns green. Connect the lithium-ion battery pack
to the USB charging cable, note the indicator light turns solid red.
Indicator light will turn green once charging process is complete.
*
The USB charging cable comes with detecting battery function.
When a good battery is charging, three indicator lights on the
charging cable turn solid red. When the battery is damaged or dead,
three indicator lights turn flashing red.
(3).Connect the battery pack to the vehicle in correct
polarity. Then put the battery into the battery
compartment.
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The USB charger does not apply input current bigger
than 4A. When over 4A, it will start-up protection mode,
all the lights will turn off.